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Title:
PIGMENT COMPOSITION FOR COLOR FILTER, AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2019/022051
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a pigment composition which exhibits excellent heat resistance and can attain excellent contrast and high reliability when used to produce a color filter; and a color filter having the pigment composition in pixels thereof. The present invention can solve this problem by providing a pigment composition for a color filter, the pigment composition containing a phthalocyanine-based pigment and an azomethine copper complex-based pigment and being characterized in that the mass ratio of the phthalocyanine-based pigment and the azomethine copper complex-based pigment is 99.9/0.1-96.5/3.5. By incorporating this pigment composition for a color filter into the pixels of a color filter, it is possible to obtain an excellent color filter that can solve the abovementioned problem.

Inventors:
FUNAKURA Seiji (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
TANAKA Takako (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
OZAKI Yusuke (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
YASUI Kengo (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
Application Number:
JP2018/027628
Publication Date:
January 31, 2019
Filing Date:
July 24, 2018
Export Citation:
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Assignee:
DIC CORPORATION (35-58, Sakashita 3-chome Itabashi-k, Tokyo 20, 〒1748520, JP)
International Classes:
G02B5/20; C09B67/20; C09D17/00; G02F1/1335; C09B47/04; C09B55/00
Domestic Patent References:
WO2017119422A12017-07-13
Foreign References:
JP2014044419A2014-03-13
CN106918999A2017-07-04
KR20170063304A2017-06-08
KR20160115443A2016-10-06
KR20160033849A2016-03-29
CN104932196A2015-09-23
US20170160635A12017-06-08
JP2016003288A2016-01-12
JP2015197677A2015-11-09
JP2003003073A2003-01-08
Attorney, Agent or Firm:
OGAWA Shinji (7-20 Nihonbashi 3-chome, Chuo-k, Tokyo 33, 〒1038233, JP)
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